ICD-10 M50.121
Billable / SpecificCervical disc disorder at C4-C5 level with radiculopathy
About ICD-10-CM M50.121
ICD-10-CM code M50.121 represents Cervical disc disorder at C4-C5 level with radiculopathy. This is a billable/specific code in the Musculoskeletal and Connective Tissue chapter (block M50). The 2026 edition of ICD-10-CM M50.121 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under M50.121. Per CMS ICD-10-CM Tabular 2026.
- C4-C5 disc disorder with radiculopathy
- C5 radiculopathy due to disc disorder
Medicare LCD Coverage for M50.121
Local Coverage Determinations (LCDs) from CMS MACs that list M50.121 as a covered diagnosis.
Showing top 10 of 785 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing M50.121.
3 Cigna
5 Medicare
CPT Codes Commonly Billed with M50.121
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 64479 CMS LCD: Billing and Coding: Epidural Steroid Injections for Pain Management CMS LCD
- 64484 CMS LCD: Billing and Coding: Epidural Steroid Injections for Pain Management CMS LCD
- 62321 CMS LCD: Billing and Coding: Epidural Steroid Injections for Pain Management CMS LCD
- 62323 CMS LCD: Billing and Coding: Epidural Steroid Injections for Pain Management CMS LCD
- 22861 CMS LCD: Billing and Coding: Cervical Disc Replacement CMS LCD
- 97171 CMS LCD: Billing and Coding: Cervical Disc Replacement CMS LCD
- 97154 CMS LCD: Billing and Coding: Cervical Disc Replacement CMS LCD
- 22858 CMS LCD: Billing and Coding: Cervical Disc Replacement CMS LCD
- 97039 CMS LCD: Billing and Coding: Cervical Disc Replacement CMS LCD
- 0098T CMS LCD: Billing and Coding: Cervical Disc Replacement CMS LCD
Convert M50.121 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| M50.121 | 72291 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To M50.121
Other codes in section M50-M54 (Other dorsopathies).
ICD-10 M50.121, Billing FAQ
Is ICD-10 code M50.121 billable? +
Yes, M50.121 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to M50.121? +
ICD-10 M50.121 includes: C4-C5 disc disorder with radiculopathy; C5 radiculopathy due to disc disorder.
What CPT codes are commonly billed with M50.121? +
Procedures frequently paired with M50.121 include: 64479, 64484, 62321, 62323, 22861.
What ICD-9 codes does M50.121 map to? +
Per CMS GEMs, M50.121 maps to ICD-9 codes: 72291. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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